Home / 85,371.44-128,071.04-32,067.56

Finding the Fourth Proportional to 85,371.44, 128,071.04 and 32,067.56

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Solution

The fourth proportional to 85,371.44, 128,071.04 and 32,067.56 is: 48,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,371.44 : 128,071.04 = 32,067.56 : x
  2. Step 2: Convert to fraction form
    85,371.44/128,071.04 = 32,067.56/x
  3. Step 3: Cross multiply
    85,371.44x = 128,071.04 × 32,067.56
  4. Step 4: Simplify right side
    85,371.44x = 4,106,926,099.68
  5. Step 5: Solve for x
    x = 4,106,926,099.68/85,371.44
  6. Step 6: Final answer
    x = 48,106.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.